Study with totally blind people shows how light helps activate the brain

Light enhances brain activity during a cognitive task even in some people who are totally blind, according to a new study. The findings contribute to scientists? understanding of everyone?s brains, as they also revealed how quickly light impacts on cognition. ?We were stunned to discover that the brain still respond significantly to light in these rare three completely blind patients despite having absolutely no conscious vision at all,? said one of the authorsView full story